Orientate the tool to the normal of its current location on the clearance surface.
In the illustration, the tool is in the red square.
Illustration
Illustration

Orientate the tool to the same orientation as that of the next point.
In the illustration, the tool (in the red square) is the same orientation as that of the next point (in the blue square).
Illustration
Illustration

Orientate the tool to the same orientation as that of the previous point.
In the illustration, the tool (in the red square) is the same orientation as that of the previous point (in the blue square).
Illustration
Illustration

Orientate the tool by picking two points to indicate the vector direction.
Illustrations
Illustrations